diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp
index 33c21c5bb..74d0a6cce 100644
--- a/src/gps/GPS.cpp
+++ b/src/gps/GPS.cpp
@@ -849,7 +849,7 @@ void GPS::setPowerUBLOX(bool on, uint32_t sleepMs)
         }
 
         // Determine hardware version
-        if (gnssModel == GNSS_MODEL_UBLOX10) {
+        if (gnssModel != GNSS_MODEL_UBLOX10) {
             // Encode the sleep time in millis into the packet
             for (int i = 0; i < 4; i++)
                 gps->_message_PMREQ[0 + i] = sleepMs >> (i * 8);
@@ -1714,4 +1714,4 @@ void GPS::toggleGpsMode()
         enable();
     }
 }
-#endif // Exclude GPS
\ No newline at end of file
+#endif // Exclude GPS